import { L as LangVoiceClient } from '../client-pNrzz2-q.mjs';

/**
 * LangChain tools for LangVoice TTS
 */

interface ToolInput {
    text: string;
    voice?: string;
    language?: string;
    speed?: number;
}
interface MultiVoiceInput {
    text: string;
    language?: string;
    speed?: number;
}
/**
 * Base class for LangVoice tools
 * Can be used standalone or with LangChain
 */
declare abstract class BaseLangVoiceTool {
    abstract name: string;
    abstract description: string;
    protected client: LangVoiceClient;
    protected outputFile?: string;
    constructor(options?: {
        apiKey?: string;
        outputFile?: string;
    });
    abstract call(input: unknown): Promise<string>;
    /**
     * Make this tool compatible with LangChain
     */
    invoke(input: unknown): Promise<string>;
}
/**
 * LangChain-compatible tool for text-to-speech generation
 */
declare class LangVoiceTTSTool extends BaseLangVoiceTool {
    name: "langvoice_text_to_speech";
    description: string;
    constructor(options?: {
        apiKey?: string;
        outputFile?: string;
    });
    call(input: ToolInput | string): Promise<string>;
}
/**
 * LangChain-compatible tool for multi-voice speech generation
 */
declare class LangVoiceMultiVoiceTool extends BaseLangVoiceTool {
    name: "langvoice_multi_voice_speech";
    description: string;
    call(input: MultiVoiceInput | string): Promise<string>;
}
/**
 * LangChain-compatible tool for listing voices
 */
declare class LangVoiceVoicesTool extends BaseLangVoiceTool {
    name: "langvoice_list_voices";
    description: string;
    call(): Promise<string>;
}
/**
 * LangChain-compatible tool for listing languages
 */
declare class LangVoiceLanguagesTool extends BaseLangVoiceTool {
    name: "langvoice_list_languages";
    description: string;
    call(): Promise<string>;
}
/**
 * Convenience class for using LangVoice with LangChain
 *
 * @example
 * ```typescript
 * import { LangVoiceLangChainToolkit } from 'langvoice-sdk/tools';
 *
 * const toolkit = new LangVoiceLangChainToolkit({ apiKey: 'your-langvoice-key' });
 * const tools = toolkit.getTools();
 *
 * // Use with LangChain agent
 * ```
 */
declare class LangVoiceLangChainToolkit {
    private readonly apiKey?;
    constructor(options?: {
        apiKey?: string;
    });
    /**
     * Get all LangVoice tools
     */
    getTools(): BaseLangVoiceTool[];
    /**
     * Get the text-to-speech tool
     */
    getTTSTool(outputFile?: string): LangVoiceTTSTool;
    /**
     * Get the multi-voice tool
     */
    getMultiVoiceTool(outputFile?: string): LangVoiceMultiVoiceTool;
    /**
     * Get the list voices tool
     */
    getVoicesTool(): LangVoiceVoicesTool;
    /**
     * Get the list languages tool
     */
    getLanguagesTool(): LangVoiceLanguagesTool;
}
/**
 * Get all LangChain tools
 */
declare function getAllLangChainTools(apiKey?: string): BaseLangVoiceTool[];

export { LangVoiceLangChainToolkit, LangVoiceLanguagesTool, LangVoiceMultiVoiceTool, LangVoiceTTSTool, LangVoiceVoicesTool, getAllLangChainTools };